Add 27/30 and 21/5
1st number: 27/30, 2nd number: 4 1/5
27/30 + 21/5 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
27/30 = 27 × 1/30 × 1 = 27/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Add the two like fractions:
27/30 + 126/30 = 27 + 126/30 = 153/30 - 153/30 simplified gives 51/10
- So, 27/30 + 21/5 = 51/10
In mixed form: 51/10
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